mmioFlush function

The mmioFlush function writes the I/O buffer of a file to disk if the buffer has been written to.

Syntax

MMRESULT mmioFlush(
   HMMIO hmmio,
   UINT  fuFlush
);

Parameters

• hmmio
  File handle of a file opened by using the mmioOpen function.

• fuFlush
  Flag determining how the flush is carried out. It can be zero or the following.

  Value	Description
  MMIO_EMPTYBUF	Empties the buffer after writing it to the disk.

   

Return value

Returns zero if successful or an error otherwise. Possible error values include the following.

Return code	Description
MMIOERR_CANNOTWRITE	The contents of the buffer could not be written to disk.

 

Remarks

Closing a file with the mmioClose function automatically flushes its buffer.

If there is insufficient disk space to write the buffer, mmioFlush fails, even if the preceding calls of the mmioWrite function were successful.

Requirements

Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	Mmsystem.h (include Windows.h)
Library	Winmm.lib
DLL	Winmm.dll